Some educational institutions provide licensed versions to students, or you can find specific "Lite" versions for non-commercial use on various engineering forums. Step-by-Step: Adding Arduino Libraries to Proteus Proteus: PCB Design and Circuit Simulator Software
Proteus is one of the most powerful electronic design automation (EDA) tools, widely used by engineers and hobbyists for simulating Arduino projects before moving to physical hardware. By using a virtual environment, you can test code, debug circuits, and prevent damaging expensive components due to wiring errors. How to Get Proteus Arduino Simulator for Free proteus arduino simulator free download
Labcenter Electronics offers a professional demo version available on their Official Website . To download it, you must provide a valid email address to receive a download link. How to Get Proteus Arduino Simulator for Free
While the full professional version of Proteus is a paid product, there are legitimate ways to access it for free for learning and evaluation: you can test code